1# Copyright (C) 2020 The Android Open Source Project 2# 3# Licensed under the Apache License, Version 2.0 (the "License"); 4# you may not use this file except in compliance with the License. 5# You may obtain a copy of the License at 6# 7# http://www.apache.org/licenses/LICENSE-2.0 8# 9# Unless required by applicable law or agreed to in writing, software 10# distributed under the License is distributed on an "AS IS" BASIS, 11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12# See the License for the specific language governing permissions and 13# limitations under the License. 14 15import("perfetto.gni") 16 17# This template is used when generating build files via tools/gen_android_bp 18# and tools/gen_bazel. This is to solve the problem that other build systems 19# don't have a similar concept to GN's source_set and dependencies can only 20# happen between static libraries (or shared, but we don't use them). 21 22# In future this could be used for chromium component builds, where each 23# component becomes its own shared library (see b/159411946). This alone isn't 24# enough for that use case as it will require splitting also the various 25# export.h files. 26 27# TODO(primiano): we cannot split components as static libraries in Android 28# because heapprofd_client rebuilds base with 29# -DPERFETTO_ANDROID_ASYNC_SAFE_LOG. Once this is fixed re-enable the 30# ODRChecker in tools/gen_android_bp. 31 32# The condition below really means: "is Bazel generator". 33if (is_perfetto_build_generator && !perfetto_build_with_android) { 34 perfetto_component_type = "static_library" 35} else { 36 perfetto_component_type = "source_set" 37} 38 39template("perfetto_component") { 40 target(perfetto_component_type, target_name) { 41 forward_variables_from(invoker, "*") 42 if (perfetto_component_type == "static_library") { 43 # Mangle the name of the library putting the full path in it. In component 44 # builds we don't care about file names, as nobody depends from the 45 # outside on the internal component libraries. 46 # This is because library targets are stored in the root output folder 47 # (not in a subfolder that matches their path). This mangling avoid file 48 # avoid name clashes when the target is called "common" or similar, so we 49 # use src_ipc_common.a rather than common.a. 50 _name = get_label_info(target_name, "label_no_toolchain") 51 _name = string_replace(_name, "//", "") 52 _name = string_replace(_name, "/", "_") 53 _name = string_replace(_name, ":", "_") 54 output_name = _name 55 complete_static_lib = true 56 } 57 } 58} 59